1220223001004 has 24 divisors (see below), whose sum is σ = 2450920032288. Its totient is φ = 520708279680.

The previous prime is 1220223000977. The next prime is 1220223001037. The reversal of 1220223001004 is 4001003220221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93511487 + ... + 93524534.

It is an arithmetic number, because the mean of its divisors is an integer number (102121668012).

Almost surely, 2^{1220223001004} is an apocalyptic number.

1220223001004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1220223001004 is an abundant number, since it is smaller than the sum of its proper divisors (1230697031284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220223001004 is a wasteful number, since it uses less digits than its factorization.

1220223001004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187036265 (or 187036263 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1220223001004 its reverse (4001003220221), we get a palindrome (5221226221225).

The spelling of 1220223001004 in words is "one trillion, two hundred twenty billion, two hundred twenty-three million, one thousand, four".